Indicating device



July 31, 1923.

' P. G. JAco'BsoN,

INDICATING DEVICE Filed Aug. 30. 1922 f 5 z m Ill reamed my at, 1923.

PETER G. JAcoBsoNQor' cHIoAeo, ILicInoIs.

7i meant INDICATING :onvrcn Application filed August 30, 192 2. Seria1"l\To. 585 ,279.

able by the head ofia screw or other-retaining element that is employed to assemble the same and its mounting, the base being thus depressible so as to yield as the screw is driven home.

When the invention is employed in an indicating device the entire arm and its base portion are formed of spring metal and the folded base of the arm is angular thereto. This folded base is desirably of U-form, the side of the fold which is contiguous to the arm proper being preferably formed with positioning ears'that are curved to fit the knob or handle that is to carry the pointer. This knob is mounted upon a shaft and the retaining screw which assembles the pointer and the knob is adapted to have abutting engagement with the side of the shaft whereby one screw will serve to assemble the pointer, the knob and the shaft which carries the knob.

The invention will be more fully explained by reference to the accompanying drawing in which Fig. 1 is a front view of a portion of an indicating device including the structure'of my invention; Fig. 2 is a sectional view on line 22 of Fig. 1'; Fig. 3 is a perspective view of the preferred form of pointing arm; and Fig. 4: is a plan view of the structure with the support for the shaft shown in section.

integral continuation thereofand angular thereto. This base has ears 6 forming integral continuations thereof and curved'to' fit the cylindrical surface of the knob stem 7 whereby the arm is confined to a radial position.

The'base'5 has a continuation 8 that is spaced apart therefrom and which forms a U-fold therewith. The free side 8 of the spring fold is formed with a screw hole therethrough and there is a similar screw hole in the base 5 that is in alignment with the hole 9.v A radial hole 10 is formed in the shank 7 of the knob, the holesin the spring base of the arm being alignable with the hole 10. A headed retaining element, pref erably a threaded screw 11, has its shank freely passed through the holes in thebase.

of the arm and into threaded engagement with the knob within the hole 10. The

screw is in threaded engagement with the f knob shank and is driven farenough to have abutting, engagement with a sideof the shaft. The head of the screw encounters the free 'side of the U-fold and depresses the same toward the shank of the knob before the shank of the screw engages the side of the I shaft. The screw is driven further until it has its abutting engagement with the shaft side, thespring base of the arm yielding to permit the screw to be further driven after the base of the arm has been engaged by the screw head. 7

While I have herein shown and particularly described the preferredembodiment ofj my invention" I donot wish to belimited-toi" the precise details of construction shown as changes may readily be made without de-v parting from the spirit of my invention, but having thus described my invention I claim as new and desire to secure by Letters Patent the following z 1. In an indicating devlce, the combination with a pointing arm formedof spring metal and having a base angular thereto and ,formed integrally therewith, this base having a continuation spaced-apart from the base and formin'g aU-fol'd therewith; of a knob for carrying the pointing arm; a shaft carrying said knob; and a headed. screw passing through the sides of the U-fold into holding engagement with said-knob and abutting engagement with a side ofsa1d- 110 shaft, the head of the screwengagmg and pressing'upon the free side of thefold.

2. The combinationwith a arm ng'a depressible base portion formed of spring metal; a mounting for the arm; a support for said mounting; and a headed screw passing through said base portion and serving to assemble said mounting and its support, the

head of the screw ressin u on said base portion.

3. The combination w th an arm having a depresslble base portion formed of spring met-a1 amounting for the arm; and a head: ed'retaining element Whose shaiik is passed through said base portion into assembly with said mounting and Whose head presses upon said base portion.

In Witness whereof, I hereunto subscribe 15 my name this 30th day of June A. D.,, 1922.

PETER efJAooBsoN. 

